Area and Surface Day 13

Polyhedra

Lesson 13

Objective:

Today I will explain the difference between a prism and pyramid so that I can compare polyhedrons and nets. I know I am successful when I complete Cool Down 13 to earn a 4.

What are Polyhedra?

Here are pictures that represent polyhedra:

Here are pictures that do not represent polyhedra:

Multiple Choice

A Polyhedron is...

• A 3d figure that has straight and curved edges.
• A 2d figure made up of triangles.
• A 3d figure made up of polygons.
• A 2d figure made up of polygons.

Multiple Choice

This shape is a polyhedral.

• True

• False

Multiple Choice

This shape is a polyhedral.

• True

• False

Multiple Choice

This shape is a polyhedral.

• True

• False

Open Ended

What features helped you distinguish the polyhedra from the other figures?

Prisms and Pyramids

Here are some polyhedra called prisms.

Here are some polyhedra called pyramids.

Open Ended

Look at the prisms. What are their characteristics or features?

Open Ended

Look at the pyramids. What are their characteristics or features?

Multiple Select

Which of the following nets can be folded into Pyramid P? Select all that apply.

• net 1

• net 2

• net 3

Multiple Choice

A Polyhedron is...

• A 3d figure that has straight and curved edges.

• A 2d figure made up of triangles.

• A 3d figure made up of polygons.

• A 2d figure made up of polygons.